adds json value check

couchbase-driver/src/main/java/org/jnosql/diana/couchbase/key/JsonValueCheck.java

@@ -0,0 +1,49 @@
+/*
+ *  Copyright (c) 2017 Otávio Santana and others
+ *   All rights reserved. This program and the accompanying materials
+ *   are made available under the terms of the Eclipse Public License v1.0
+ *   and Apache License v2.0 which accompanies this distribution.
+ *   The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
+ *   and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
+ *
+ *   You may elect to redistribute this code under either of these licenses.
+ *
+ *   Contributors:
+ *
+ *   Otavio Santana
+ */ 
+package org.jnosql.diana.couchbase.key;
+
+import com.couchbase.client.java.document.json.JsonArray;
+import com.couchbase.client.java.document.json.JsonObject;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+
+final class JsonValueCheck {
+
+    private static final List<Class<?>> CLASSES;
+
+    static {
+
+        CLASSES = new ArrayList<>();
+        CLASSES.add(String.class);
+        CLASSES.add(Integer.class);
+        CLASSES.add(Long.class);
+        CLASSES.add(Double.class);
+        CLASSES.add(Boolean.class);
+        CLASSES.add(BigInteger.class);
+        CLASSES.add(BigDecimal.class);
+        CLASSES.add(JsonObject.class);
+        CLASSES.add(JsonArray.class);
+    }
+
+    private JsonValueCheck() {
+    }
+
+    public static boolean checkType(Class<?> type) {
+        return CLASSES.contains(type);
+    }
+}